右锁骨下动脉起自主动脉弓末端 (中国人体调查 .1986.352 )占 1.4 8% ,作者在解剖时发现 1例 ,现报道如下 :成年男尸 ,头臂干缺如 ,主动脉弓凸侧见有四大分支 :自右向左依次为右颈总动脉、左颈总动脉、左锁骨下动脉和右锁骨下动脉。各动脉起始部的外径分别为15、10、17和 2 2ｍ Right subclavian artery from the end of the arch of the arch of the aorta (Chinese human body survey, 1986.352) accounted for 1.4%, the authors found 1 case of anatomy, are reported as follows: adult male corpuscles, : From right to left, right common carotid artery, left common carotid artery, left subclavian artery and right subclavian artery. The outer diameter of the beginning of each artery was 15, 10, 17 and 22 m, respectively